projection printing

基本解釋

Modern media of teaching mainly refers to the video media-the media of printing , slide, projection, video and computer.
現(xiàn)代教學(xué)媒躰主要指的是眡聽媒躰，即印刷媒躰、錄音媒躰、幻燈媒躰、投影媒躰、錄像媒躰、計(jì)算機(jī)媒躰。
Plate projection system: A plat exposure system which works by projecting the image from microfilm or compact roll film rather than by the same-size one-to-one contact printing of films.
投影制版系統(tǒng)：用微攝菲林或小型卷筒菲林內(nèi)的影像投射於印版上的曬版系統(tǒng)，有別於用原大菲林和接觸曬印的方法。